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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SelectRuleFeatureSet_h
#define SelectRuleFeatureSet_h
#include "RuleFeature.h"
namespace WebCore {
class SelectRuleFeatureSet {
public:
SelectRuleFeatureSet();
void add(const SelectRuleFeatureSet&);
void clear();
void collectFeaturesFromSelector(const CSSSelector*);
bool hasSelectorForId(const AtomicString&) const;
bool hasSelectorForClass(const AtomicString&) const;
bool hasSelectorForAttribute(const AtomicString&) const;
bool hasSelectorForChecked() const { return hasSelectorFor(RuleFeatureChecked); }
bool hasSelectorForEnabled() const { return hasSelectorFor(RuleFeatureEnabled); }
bool hasSelectorForDisabled() const { return hasSelectorFor(RuleFeatureDisabled); }
bool hasSelectorForIndeterminate() const { return hasSelectorFor(RuleFeatureIndeterminate); }
bool hasSelectorForLink() const { return hasSelectorFor(RuleFeatureLink); }
bool hasSelectorForTarget() const { return hasSelectorFor(RuleFeatureTarget); }
bool hasSelectorForVisited() const { return hasSelectorFor(RuleFeatureVisited); }
enum SelectRuleFeature {
RuleFeatureChecked = 1,
RuleFeatureEnabled = 1 << 1,
RuleFeatureDisabled = 1 << 2,
RuleFeatureIndeterminate = 1 << 3,
RuleFeatureLink = 1 << 4,
RuleFeatureTarget = 1 << 5,
RuleFeatureVisited = 1 << 6
};
typedef int SelectRuleFeatureMask;
bool hasSelectorFor(SelectRuleFeatureMask features) const { return m_featureFlags & features; }
private:
void setSelectRuleFeature(SelectRuleFeature feature) { m_featureFlags |= feature; }
RuleFeatureSet m_cssRuleFeatureSet;
int m_featureFlags;
};
inline bool SelectRuleFeatureSet::hasSelectorForId(const AtomicString& idValue) const
{
ASSERT(!idValue.isEmpty());
return m_cssRuleFeatureSet.idsInRules.contains(idValue.impl());
}
inline bool SelectRuleFeatureSet::hasSelectorForClass(const AtomicString& classValue) const
{
ASSERT(!classValue.isEmpty());
return m_cssRuleFeatureSet.classesInRules.contains(classValue.impl());
}
inline bool SelectRuleFeatureSet::hasSelectorForAttribute(const AtomicString& attributeName) const
{
ASSERT(!attributeName.isEmpty());
return m_cssRuleFeatureSet.attrsInRules.contains(attributeName.impl());
}
}
#endif
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